Bead-drying apparatus



G. McNEILL.

BEAD DRYING APPARATUS.

APPLICA ION FILED AUG-I0. I916.

1,398,292. I I Patented; July 1, 1919.

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WITNESS: l/VVEA/ TOR W 5 GearyeflIc/Vezll,

I l/6' A TTOR/VEV G. McNElLL.

BEAD DRYING APPARATUS. APPLICATION FILED AUG-10.1916- Patented July 1, 1919.

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///S ATTORNEY UNITED STATES PATENT OFFICE.

GEORGE MGNEILL, or DETROIT, MICHIGAN, ASSIGNOR To MORGAN & WRIGHT, A CORPORATION or MICHIGAN.

HEAD-DRYING APPARATUS.

Specification of Letters Patent.

Patented July 1, 1919.

To all whom it may concern:

Be it known that I, GEORGE MCNEILL, a citizen of the United States, residing at Detroit, county of Wayne, in the State of Michigan, have invented certain new and useful Improvements inBead-Drying Apparatus, of which the following is a full, clear, and exact description.

This invention relates to apparatus for drying beads used in the manufacture of tires. In building tires it is customary to employ beads which are formed of hard rubber composition and serve to stiffen the tires at the edges. 'Usually, the bead is tubed in the form of a ribbon of triangular cross-section and is ordinarily coated with cement on the sides to enhance adhesion with the edges of the tire during vulcanization.

reels are unwound at the back of the magazine, the beads being dried by heating coils around which the magazine rotates in carrying the reels from the loading point to the discharge point.

The Invention can be readily understood from the following description taken in connection with the accompanying drawing, in

' which Figure 1 is a side elevation of apparatus constructed in accordance with the invention.

Fig. 2 is a front elevation of the parts shown in Fig. 1.

Referring now to the-drawing in which like characters of reference designate similar parts of the various views, 10 designates a frame upon which a cylindrical skeleton magazine 11 is revolubly supported at four points en'the periphery by idlers 12. The magazine. comprises flanged annular sides 13 connected, at intervals by cross pieces 14, each one of the sides being equipped with an internal gear 15. Drive pinions 16 mesh with the internal gears and rotate the magazine as will be presentlvdescribed. A circular series ofreels 17 is mounted onjthe exterior of the magazine, and during rotation of the latter on its axis, the reels with the cemented beads thereon are subiected to heat from heating coils 18 which are disposed within the magazine, the heat being confined in and about the reels by a casing 19 which houses the reels and may be open at the front F and the back B to respectively permit loading of and unwinding of the reels.

Each reel which is of the usual and wellknown type, is provided with an axle 20 which is revolubly supported in suitable bearings 21 secured to brackets 22 which project radially from the magazine. The axle is provided on one end with a crank arm 23 by means of which the reel may be rotated, as will be presently described, to take on a single spiral layer of the cemented bead. I

The reels are presented in succession at the front F of the apparatus, and to accomplish this, the magazine is power turned through successive step movements. For this purpose, preferably the above mentioned drive pinion 16 is connected to a stub shaft 24 which hasa gear and worm connection 2526 with a shaft 27 which is driven by a beltpulley 28. The pulley is power turned continuously and is connected to and disconnected from a shaft as desired by means of a clutch 29 which is controlled by a shift lever 30. I

Upon each reel arriving at the front of the machine, it is rotated on its axis to take on the cemented bead, and for this purpose,

a drive shaft 31 is positioned on the frame 10 to aline with the axle 20 of each reel as it is halted at the front of the machine. The shaft is automatically connected to and disconnected from the reel axle by mechanism comprising a sprocket wheel 32 which is provided on the side with a pin 33. Upon rotation of the sprocket wheel the pin lodges in rear of the above referred to crank arm 23 and carries the latter around with it,- thereby rotating the reel to. take on the cemented bead. The pin passes,long1tud1- and a belt drive 39 from the pulley 28 which rotates one of the magazines.

In operation, the shift lever 30 is moved to throw in the clutch 29 and start the magazine rotating clockwise. An empty reel will be advanced to the front F of the machine and when it arrives with its axle in alinement with the reel driving shaft 31, the shift lever is moved to throw ofl the clutch and halt the magazine. The end of the cemented bead is now secured to the reel exposed through the front of the machine, and the pedal 38 is moved to throw in the clutch 37. Thereupon the pin 33 engages with the crank arm 23 and rotates the reel which draws the head upon itself in a single spiral layer. When filled, the reel is halted by operating the pedal 38 to throw oil the clutch 37. The shift lever 30 is now again operated to advance the magazine a ste whereby the filled reel is carried off and an empty one presented in proper position for being loaded as above described. The filled reels pass around the magazine from front to rear thereby passing around the heating coils 18. Eventually the reels arrive at the back B of the machine and are there unwound successively. A suflicient interval of time elapses during passage of the filled reels around the heating coils 18 and through the heated space between the coils and casing 19,- to thoroughly dry the cement.

Although I have described a specific em- 1. A bead drying apparatus comprising a revolu'ble magazine,' revoluble reels thereon for the heads, a shaft for driving the reels, means for turning the magazine to resent the reels in succession at the sha t, and means for automatically connecting each reel to and disconnectin it fromthe shaft including a contact device carried by the shaft and an abutment on each reel adapted to receive the said contact device.

2. A bead drying apparatus, comprising a revoluble magazine, revoluble reels on the magazine for the beads, heatin means inside the magazine, a casing for t e magazine having a receiving end and a discharge end for the beads, and drive means for imparting step rotation to the magazine including a rack device, a driving pinion engaging said rack device and a rod adapted to throw i the drive means into and out of operation and operable from both the receiving and discharge ends of the casing.

3; A bead drying apparatus comprising a magazine, idlers supporting the magazine from the outside, an internal gear and pinion device for rotating the magazine from the inside, revoluble reels on the magazine for the beads, and means for successively rotating the reels.

Signed at Detroit, Mich, this 28th day of July, 1916.

GEORGE McNEILL. 

